| Label: | Vertigo 811 138-7 |
| Genre: | Electronic, Pop |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Numbers | |
| B | Barriers |
| Label: | Vertigo 811 139-2 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | CD (Maxi-Single) |
| 1 | Numbers (Extended Version) » Producer: M. Thorne » Remix: David Ball » Remix [Assistant]: Flood | 10:21 |
| 2 | Barriers » Producer: Mike Thorne | 7:05 |
| Label: | Some Bizzare 811 138-7 |
| Genre: | Electronic |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | Numbers » Remix: David Ball » Remix [Assistant]: Flood | 4:55 |
| AA | Barriers | 5:22 |
| Label: | Vertigo 811 139-1 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 45 RPM) |
| A | Numbers » Producer: Mike Thorne, Soft Cell » Remix: David Ball » Remix [Assisted By]: Flood | 10:21 |
| B | Barriers » Producer: Mike Thorne, Soft Cell » Remix: David Ball » Remix [Assisted By]: Flood | 7:05 |
| Label: | Vertigo 811 139-1 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , Maxi-Single , 45 RPM) |
| A | Numbers | 10:21 |
| B | Barriers | 7:05 |
| Label: | Some Bizzare BZSDJ 17 |
| Genre: | Electronic |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single , Promo) |
| A | Numbers (D.J. Version) » Remix: David Ball » Remix [Assistant]: Flood | 4:20 |
| AA | Barriers | 5:22 |
| Label: | Some Bizzare 811 138-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | Numbers | 4:55 |
| AA | Barriers | 5:22 |
| Label: | Some Bizzare BZS 1712 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Acetate (12") |
| A | Numbers (Extended Version) » Producer: M. Thorne » Remix: David Ball » Remix [Assistant]: Flood | 10:22 |
| Label: | Some Bizzare BZSDJ 17 |
| Genre: | Electronic |
| Style: | New Wave, Synth-pop |
| Format: | Acetate (7") |
| A | Numbers (D.J. Version) » Remix: David Ball » Remix [Assistant]: Flood | 4:20 |
| Label: | Some Bizzare 811 139-1 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , Single , 45 RPM) |
| A | Numbers (Extended Version) » Producer: M. Thorne » Remix: David Ball » Remix [Assistant]: Flood | 10:22 |
| AA | Barriers » Producer: Mike Thorne | 7:06 |